SERIES- Each additional speaker increases the load impedance for
the amplifier. Impedances higher than 8 ohms are rarely used for car
audio.
1.4 Installation- Self-Bridging, 2+1 Mode
BRIDGED MONO-
Connect a 4Ω ohm speaker to the
terminals marked “(+), BRIDGE, (-)”,
making sure they match the polarity
of the connections at the speakers.
Caution!
⇒ Speaker or multiple speaker loads
totaling less than 4 ohms are not
recommended for “Bridged” or
“2+1 Mode”, and may damage the amplifier.
TA4600, TA4320-TA4600, TA4320-
Set the “MODE” switch to “2CH, 3CH”, or “4CH” and connect the
speakers accordingly. For “3CH” operation, bridge the “C” and “D”
channels.
2+1 MODE- (TRI-MODE)
Simultaneous stereo and mono operation, “2+1 Mode”, requires a passive
crossover to send low frequencies to the mono speaker and higher
frequencies to the stereo speakers. The following table lists the component
values for a 6 dB/Octave crossover at common frequencies using 4 ohm
speakers for stereo and an 8Ω speaker for mono(subwoofer):
FREQUENCY INDUCTOR CAPACITOR
80 Hz 16 mH 470 uF
100 Hz 7.5 mH 330 uF
120 Hz 7.5mH 330 uF
150 Hz 7.5 mH 220 uF
(+)
(
-
)
+
-
(+)
(
-
)
4 Ohm 8 Ohm
SERIES CONNECTION USING 4 OHM SPEAKERS
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